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meli/melib/src/sieve/compiler/grammar/actions/action_keep.rs

61 lines
2.1 KiB
Rust

/*
* Copyright (c) 2020-2023, Stalwart Labs Ltd.
*
* This file is part of the Stalwart Sieve Interpreter.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
* in the LICENSE file at the top-level directory of this distribution.
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can be released from the requirements of the AGPLv3 license by
* purchasing a commercial license. Please contact licensing@stalw.art
* for more details.
*/
use serde::{Deserialize, Serialize};
use crate::sieve::compiler::{
grammar::{
instruction::{CompilerState, Instruction},
Capability,
},
lexer::{word::Word, Token},
CompileError, Value,
};
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub(crate) struct Keep {
pub flags: Vec<Value>,
}
impl<'x> CompilerState<'x> {
pub(crate) fn parse_keep(&mut self) -> Result<(), CompileError> {
let cmd = Instruction::Keep(Keep {
flags: match self.tokens.peek().map(|r| r.map(|t| &t.token)) {
Some(Ok(Token::Tag(Word::Flags))) => {
let token_info = self.tokens.next().unwrap().unwrap();
self.validate_argument(
0,
Capability::Imap4Flags.into(),
token_info.line_num,
token_info.line_pos,
)?;
self.parse_strings(false)?
}
_ => Vec::new(),
},
});
self.instructions.push(cmd);
Ok(())
}
}